Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for ...

Overlooking signs of alien life may be humanity’s biggest mistake, according to scientists warning NASA could miss hidden ...

Donald Trump said that he will give the green light to the release of classified information on extraterrestrials and alien life forms. The move comes after comments by Barack Obama, who did not rule ...

When they light up, it's as if someone has flicked on a switch — the sea suddenly fills with tiny blue orbs. These glowing lifeforms are umi-hotaru (sea fireflies). But though they're called ...

Thomas Mulligan examines the scientific challenge of defining and searching for non-Earth-like alien life forms that may not rely on carbon, water, or DNA.